xref: /openbmc/linux/drivers/scsi/mpt3sas/mpi/mpi2.h (revision feac8c8b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
4  *
5  *
6  *          Name:  mpi2.h
7  *         Title:  MPI Message independent structures and definitions
8  *                 including System Interface Register Set and
9  *                 scatter/gather formats.
10  * Creation Date:  June 21, 2006
11  *
12  * mpi2.h Version:  02.00.48
13  *
14  * NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
15  *       prefix are for use only on MPI v2.5 products, and must not be used
16  *       with MPI v2.0 products. Unless otherwise noted, names beginning with
17  *       MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
18  *
19  * Version History
20  * ---------------
21  *
22  * Date      Version   Description
23  * --------  --------  ------------------------------------------------------
24  * 04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
25  * 06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
26  * 06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
27  * 08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
28  *                     Moved ReplyPostHostIndex register to offset 0x6C of the
29  *                     MPI2_SYSTEM_INTERFACE_REGS and modified the define for
30  *                     MPI2_REPLY_POST_HOST_INDEX_OFFSET.
31  *                     Added union of request descriptors.
32  *                     Added union of reply descriptors.
33  * 10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
34  *                     Added define for MPI2_VERSION_02_00.
35  *                     Fixed the size of the FunctionDependent5 field in the
36  *                     MPI2_DEFAULT_REPLY structure.
37  * 12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
38  *                     Removed the MPI-defined Fault Codes and extended the
39  *                     product specific codes up to 0xEFFF.
40  *                     Added a sixth key value for the WriteSequence register
41  *                     and changed the flush value to 0x0.
42  *                     Added message function codes for Diagnostic Buffer Post
43  *                     and Diagnsotic Release.
44  *                     New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
45  *                     Moved MPI2_VERSION_UNION from mpi2_ioc.h.
46  * 02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
47  * 03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
48  * 05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
49  *                     Added #defines for marking a reply descriptor as unused.
50  * 06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
51  * 10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
52  *                     Moved LUN field defines from mpi2_init.h.
53  * 01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
54  * 05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
55  *                     In all request and reply descriptors, replaced VF_ID
56  *                     field with MSIxIndex field.
57  *                     Removed DevHandle field from
58  *                     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
59  *                     bytes reserved.
60  *                     Added RAID Accelerator functionality.
61  * 07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
62  * 10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
63  *                     Added MSI-x index mask and shift for Reply Post Host
64  *                     Index register.
65  *                     Added function code for Host Based Discovery Action.
66  * 02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
67  *                     Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
68  *                     Added defines for product-specific range of message
69  *                     function codes, 0xF0 to 0xFF.
70  * 05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
71  *                     Added alternative defines for the SGE Direction bit.
72  * 08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
73  * 11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
74  *                     Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
75  * 02-23-11  02.00.19  Bumped MPI2_HEADER_VERSION_UNIT.
76  *                     Added MPI2_FUNCTION_SEND_HOST_MESSAGE.
77  * 03-09-11  02.00.20  Bumped MPI2_HEADER_VERSION_UNIT.
78  * 05-25-11  02.00.21  Bumped MPI2_HEADER_VERSION_UNIT.
79  * 08-24-11  02.00.22  Bumped MPI2_HEADER_VERSION_UNIT.
80  * 11-18-11  02.00.23  Bumped MPI2_HEADER_VERSION_UNIT.
81  *                     Incorporating additions for MPI v2.5.
82  * 02-06-12  02.00.24  Bumped MPI2_HEADER_VERSION_UNIT.
83  * 03-29-12  02.00.25  Bumped MPI2_HEADER_VERSION_UNIT.
84  *                     Added Hard Reset delay timings.
85  * 07-10-12  02.00.26  Bumped MPI2_HEADER_VERSION_UNIT.
86  * 07-26-12  02.00.27  Bumped MPI2_HEADER_VERSION_UNIT.
87  * 11-27-12  02.00.28  Bumped MPI2_HEADER_VERSION_UNIT.
88  * 12-20-12  02.00.29  Bumped MPI2_HEADER_VERSION_UNIT.
89  *                     Added MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET.
90  * 04-09-13  02.00.30  Bumped MPI2_HEADER_VERSION_UNIT.
91  * 04-17-13  02.00.31  Bumped MPI2_HEADER_VERSION_UNIT.
92  * 08-19-13  02.00.32  Bumped MPI2_HEADER_VERSION_UNIT.
93  * 12-05-13  02.00.33  Bumped MPI2_HEADER_VERSION_UNIT.
94  * 01-08-14  02.00.34  Bumped MPI2_HEADER_VERSION_UNIT
95  * 06-13-14  02.00.35  Bumped MPI2_HEADER_VERSION_UNIT.
96  * 11-18-14  02.00.36  Updated copyright information.
97  *                     Bumped MPI2_HEADER_VERSION_UNIT.
98  * 03-16-15  02.00.37  Bumped MPI2_HEADER_VERSION_UNIT.
99  *                     Added Scratchpad registers to
100  *                     MPI2_SYSTEM_INTERFACE_REGS.
101  *                     Added MPI2_DIAG_SBR_RELOAD.
102  * 03-19-15  02.00.38  Bumped MPI2_HEADER_VERSION_UNIT.
103  * 05-25-15  02.00.39  Bumped MPI2_HEADER_VERSION_UNIT.
104  * 08-25-15  02.00.40  Bumped MPI2_HEADER_VERSION_UNIT.
105  * 12-15-15  02.00.41  Bumped MPI_HEADER_VERSION_UNIT
106  * 01-01-16  02.00.42  Bumped MPI_HEADER_VERSION_UNIT
107  * 04-05-16  02.00.43  Modified  MPI26_DIAG_BOOT_DEVICE_SELECT defines
108  *                     to be unique within first 32 characters.
109  *                     Removed AHCI support.
110  *                     Removed SOP support.
111  *                     Bumped MPI2_HEADER_VERSION_UNIT.
112  * 04-10-16  02.00.44  Bumped MPI2_HEADER_VERSION_UNIT.
113  * 07-06-16  02.00.45  Bumped MPI2_HEADER_VERSION_UNIT.
114  * 09-02-16  02.00.46  Bumped MPI2_HEADER_VERSION_UNIT.
115  * 11-23-16  02.00.47  Bumped MPI2_HEADER_VERSION_UNIT.
116  * 02-03-17  02.00.48  Bumped MPI2_HEADER_VERSION_UNIT.
117  * --------------------------------------------------------------------------
118  */
119 
120 #ifndef MPI2_H
121 #define MPI2_H
122 
123 /*****************************************************************************
124 *
125 *       MPI Version Definitions
126 *
127 *****************************************************************************/
128 
129 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
130 #define MPI2_VERSION_MAJOR_SHIFT            (8)
131 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
132 #define MPI2_VERSION_MINOR_SHIFT            (0)
133 
134 /*major version for all MPI v2.x */
135 #define MPI2_VERSION_MAJOR                  (0x02)
136 
137 /*minor version for MPI v2.0 compatible products */
138 #define MPI2_VERSION_MINOR                  (0x00)
139 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
140 					MPI2_VERSION_MINOR)
141 #define MPI2_VERSION_02_00                  (0x0200)
142 
143 /*minor version for MPI v2.5 compatible products */
144 #define MPI25_VERSION_MINOR                 (0x05)
145 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
146 					MPI25_VERSION_MINOR)
147 #define MPI2_VERSION_02_05                  (0x0205)
148 
149 /*minor version for MPI v2.6 compatible products */
150 #define MPI26_VERSION_MINOR		    (0x06)
151 #define MPI26_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
152 					MPI26_VERSION_MINOR)
153 #define MPI2_VERSION_02_06		    (0x0206)
154 
155 /*Unit and Dev versioning for this MPI header set */
156 #define MPI2_HEADER_VERSION_UNIT            (0x30)
157 #define MPI2_HEADER_VERSION_DEV             (0x00)
158 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
159 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
160 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
161 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
162 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
163 					MPI2_HEADER_VERSION_DEV)
164 
165 /*****************************************************************************
166 *
167 *       IOC State Definitions
168 *
169 *****************************************************************************/
170 
171 #define MPI2_IOC_STATE_RESET               (0x00000000)
172 #define MPI2_IOC_STATE_READY               (0x10000000)
173 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
174 #define MPI2_IOC_STATE_FAULT               (0x40000000)
175 
176 #define MPI2_IOC_STATE_MASK                (0xF0000000)
177 #define MPI2_IOC_STATE_SHIFT               (28)
178 
179 /*Fault state range for prodcut specific codes */
180 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
181 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
182 
183 /*****************************************************************************
184 *
185 *       System Interface Register Definitions
186 *
187 *****************************************************************************/
188 
189 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS {
190 	U32 Doorbell;		/*0x00 */
191 	U32 WriteSequence;	/*0x04 */
192 	U32 HostDiagnostic;	/*0x08 */
193 	U32 Reserved1;		/*0x0C */
194 	U32 DiagRWData;		/*0x10 */
195 	U32 DiagRWAddressLow;	/*0x14 */
196 	U32 DiagRWAddressHigh;	/*0x18 */
197 	U32 Reserved2[5];	/*0x1C */
198 	U32 HostInterruptStatus;	/*0x30 */
199 	U32 HostInterruptMask;	/*0x34 */
200 	U32 DCRData;		/*0x38 */
201 	U32 DCRAddress;		/*0x3C */
202 	U32 Reserved3[2];	/*0x40 */
203 	U32 ReplyFreeHostIndex;	/*0x48 */
204 	U32 Reserved4[8];	/*0x4C */
205 	U32 ReplyPostHostIndex;	/*0x6C */
206 	U32 Reserved5;		/*0x70 */
207 	U32 HCBSize;		/*0x74 */
208 	U32 HCBAddressLow;	/*0x78 */
209 	U32 HCBAddressHigh;	/*0x7C */
210 	U32 Reserved6[12];	/*0x80 */
211 	U32 Scratchpad[4];	/*0xB0 */
212 	U32 RequestDescriptorPostLow;	/*0xC0 */
213 	U32 RequestDescriptorPostHigh;	/*0xC4 */
214 	U32 AtomicRequestDescriptorPost;/*0xC8 */
215 	U32 Reserved7[13];	/*0xCC */
216 } MPI2_SYSTEM_INTERFACE_REGS,
217 	*PTR_MPI2_SYSTEM_INTERFACE_REGS,
218 	Mpi2SystemInterfaceRegs_t,
219 	*pMpi2SystemInterfaceRegs_t;
220 
221 /*
222  *Defines for working with the Doorbell register.
223  */
224 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
225 
226 /*IOC --> System values */
227 #define MPI2_DOORBELL_USED                      (0x08000000)
228 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
229 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
230 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
231 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
232 
233 /*System --> IOC values */
234 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
235 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
236 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
237 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
238 
239 /*
240  *Defines for the WriteSequence register
241  */
242 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
243 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
244 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
245 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
246 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
247 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
248 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
249 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
250 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
251 
252 /*
253  *Defines for the HostDiagnostic register
254  */
255 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
256 
257 #define MPI2_DIAG_SBR_RELOAD                    (0x00002000)
258 
259 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
260 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
261 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
262 
263 /* Defines for V7A/V7R HostDiagnostic Register */
264 #define MPI26_DIAG_BOOT_DEVICE_SEL_64FLASH      (0x00000000)
265 #define MPI26_DIAG_BOOT_DEVICE_SEL_64HCDW       (0x00000800)
266 #define MPI26_DIAG_BOOT_DEVICE_SEL_32FLASH      (0x00001000)
267 #define MPI26_DIAG_BOOT_DEVICE_SEL_32HCDW       (0x00001800)
268 
269 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
270 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
271 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
272 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
273 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
274 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
275 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
276 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
277 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
278 
279 /*
280  *Offsets for DiagRWData and address
281  */
282 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
283 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
284 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
285 
286 /*
287  *Defines for the HostInterruptStatus register
288  */
289 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
290 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
291 #define MPI2_HIS_IOP_DOORBELL_STATUS MPI2_HIS_SYS2IOC_DB_STATUS
292 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
293 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
294 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
295 #define MPI2_HIS_DOORBELL_INTERRUPT MPI2_HIS_IOC2SYS_DB_STATUS
296 
297 /*
298  *Defines for the HostInterruptMask register
299  */
300 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
301 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
302 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
303 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
304 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
305 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
306 
307 /*
308  *Offsets for DCRData and address
309  */
310 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
311 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
312 
313 /*
314  *Offset for the Reply Free Queue
315  */
316 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
317 
318 /*
319  *Defines for the Reply Descriptor Post Queue
320  */
321 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
322 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
323 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
324 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
325 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /*MPI v2.5 only*/
326 
327 
328 /*
329  *Defines for the HCBSize and address
330  */
331 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
332 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
333 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
334 
335 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
336 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
337 
338 /*
339  *Offsets for the Scratchpad registers
340  */
341 #define MPI26_SCRATCHPAD0_OFFSET                (0x000000B0)
342 #define MPI26_SCRATCHPAD1_OFFSET                (0x000000B4)
343 #define MPI26_SCRATCHPAD2_OFFSET                (0x000000B8)
344 #define MPI26_SCRATCHPAD3_OFFSET                (0x000000BC)
345 
346 /*
347  *Offsets for the Request Descriptor Post Queue
348  */
349 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
350 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
351 #define MPI26_ATOMIC_REQUEST_DESCRIPTOR_POST_OFFSET (0x000000C8)
352 
353 /*Hard Reset delay timings */
354 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
355 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
356 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
357 
358 /*****************************************************************************
359 *
360 *       Message Descriptors
361 *
362 *****************************************************************************/
363 
364 /*Request Descriptors */
365 
366 /*Default Request Descriptor */
367 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR {
368 	U8 RequestFlags;	/*0x00 */
369 	U8 MSIxIndex;		/*0x01 */
370 	U16 SMID;		/*0x02 */
371 	U16 LMID;		/*0x04 */
372 	U16 DescriptorTypeDependent;	/*0x06 */
373 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
374 	*PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
375 	Mpi2DefaultRequestDescriptor_t,
376 	*pMpi2DefaultRequestDescriptor_t;
377 
378 /*defines for the RequestFlags field */
379 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x1E)
380 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_RSHIFT             (1)
381 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
382 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
383 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
384 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
385 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
386 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
387 #define MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED      (0x10)
388 
389 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER         (0x01)
390 
391 /*High Priority Request Descriptor */
392 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
393 	U8 RequestFlags;	/*0x00 */
394 	U8 MSIxIndex;		/*0x01 */
395 	U16 SMID;		/*0x02 */
396 	U16 LMID;		/*0x04 */
397 	U16 Reserved1;		/*0x06 */
398 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
399 	*PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
400 	Mpi2HighPriorityRequestDescriptor_t,
401 	*pMpi2HighPriorityRequestDescriptor_t;
402 
403 /*SCSI IO Request Descriptor */
404 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
405 	U8 RequestFlags;	/*0x00 */
406 	U8 MSIxIndex;		/*0x01 */
407 	U16 SMID;		/*0x02 */
408 	U16 LMID;		/*0x04 */
409 	U16 DevHandle;		/*0x06 */
410 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
411 	*PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
412 	Mpi2SCSIIORequestDescriptor_t,
413 	*pMpi2SCSIIORequestDescriptor_t;
414 
415 /*SCSI Target Request Descriptor */
416 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
417 	U8 RequestFlags;	/*0x00 */
418 	U8 MSIxIndex;		/*0x01 */
419 	U16 SMID;		/*0x02 */
420 	U16 LMID;		/*0x04 */
421 	U16 IoIndex;		/*0x06 */
422 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
423 	*PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
424 	Mpi2SCSITargetRequestDescriptor_t,
425 	*pMpi2SCSITargetRequestDescriptor_t;
426 
427 /*RAID Accelerator Request Descriptor */
428 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
429 	U8 RequestFlags;	/*0x00 */
430 	U8 MSIxIndex;		/*0x01 */
431 	U16 SMID;		/*0x02 */
432 	U16 LMID;		/*0x04 */
433 	U16 Reserved;		/*0x06 */
434 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
435 	*PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
436 	Mpi2RAIDAcceleratorRequestDescriptor_t,
437 	*pMpi2RAIDAcceleratorRequestDescriptor_t;
438 
439 /*Fast Path SCSI IO Request Descriptor */
440 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
441 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
442 	*PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
443 	Mpi25FastPathSCSIIORequestDescriptor_t,
444 	*pMpi25FastPathSCSIIORequestDescriptor_t;
445 
446 /*PCIe Encapsulated Request Descriptor */
447 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
448 	MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR,
449 	*PTR_MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR,
450 	Mpi26PCIeEncapsulatedRequestDescriptor_t,
451 	*pMpi26PCIeEncapsulatedRequestDescriptor_t;
452 
453 /*union of Request Descriptors */
454 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION {
455 	MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
456 	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
457 	MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
458 	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
459 	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
460 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR FastPathSCSIIO;
461 	MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR PCIeEncapsulated;
462 	U64 Words;
463 } MPI2_REQUEST_DESCRIPTOR_UNION,
464 	*PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
465 	Mpi2RequestDescriptorUnion_t,
466 	*pMpi2RequestDescriptorUnion_t;
467 
468 /*Atomic Request Descriptors */
469 
470 /*
471  * All Atomic Request Descriptors have the same format, so the following
472  * structure is used for all Atomic Request Descriptors:
473  *      Atomic Default Request Descriptor
474  *      Atomic High Priority Request Descriptor
475  *      Atomic SCSI IO Request Descriptor
476  *      Atomic SCSI Target Request Descriptor
477  *      Atomic RAID Accelerator Request Descriptor
478  *      Atomic Fast Path SCSI IO Request Descriptor
479  *      Atomic PCIe Encapsulated Request Descriptor
480  */
481 
482 /*Atomic Request Descriptor */
483 typedef struct _MPI26_ATOMIC_REQUEST_DESCRIPTOR {
484 	U8 RequestFlags;	/* 0x00 */
485 	U8 MSIxIndex;		/* 0x01 */
486 	U16 SMID;		/* 0x02 */
487 } MPI26_ATOMIC_REQUEST_DESCRIPTOR,
488 	*PTR_MPI26_ATOMIC_REQUEST_DESCRIPTOR,
489 	Mpi26AtomicRequestDescriptor_t,
490 	*pMpi26AtomicRequestDescriptor_t;
491 
492 /*for the RequestFlags field, use the same
493  *defines as MPI2_DEFAULT_REQUEST_DESCRIPTOR
494  */
495 
496 /*Reply Descriptors */
497 
498 /*Default Reply Descriptor */
499 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR {
500 	U8 ReplyFlags;		/*0x00 */
501 	U8 MSIxIndex;		/*0x01 */
502 	U16 DescriptorTypeDependent1;	/*0x02 */
503 	U32 DescriptorTypeDependent2;	/*0x04 */
504 } MPI2_DEFAULT_REPLY_DESCRIPTOR,
505 	*PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
506 	Mpi2DefaultReplyDescriptor_t,
507 	*pMpi2DefaultReplyDescriptor_t;
508 
509 /*defines for the ReplyFlags field */
510 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
511 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
512 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
513 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
514 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
515 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
516 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
517 #define MPI26_RPY_DESCRIPT_FLAGS_PCIE_ENCAPSULATED_SUCCESS  (0x08)
518 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
519 
520 /*values for marking a reply descriptor as unused */
521 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
522 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
523 
524 /*Address Reply Descriptor */
525 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR {
526 	U8 ReplyFlags;		/*0x00 */
527 	U8 MSIxIndex;		/*0x01 */
528 	U16 SMID;		/*0x02 */
529 	U32 ReplyFrameAddress;	/*0x04 */
530 } MPI2_ADDRESS_REPLY_DESCRIPTOR,
531 	*PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
532 	Mpi2AddressReplyDescriptor_t,
533 	*pMpi2AddressReplyDescriptor_t;
534 
535 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
536 
537 /*SCSI IO Success Reply Descriptor */
538 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
539 	U8 ReplyFlags;		/*0x00 */
540 	U8 MSIxIndex;		/*0x01 */
541 	U16 SMID;		/*0x02 */
542 	U16 TaskTag;		/*0x04 */
543 	U16 Reserved1;		/*0x06 */
544 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
545 	*PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
546 	Mpi2SCSIIOSuccessReplyDescriptor_t,
547 	*pMpi2SCSIIOSuccessReplyDescriptor_t;
548 
549 /*TargetAssist Success Reply Descriptor */
550 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
551 	U8 ReplyFlags;		/*0x00 */
552 	U8 MSIxIndex;		/*0x01 */
553 	U16 SMID;		/*0x02 */
554 	U8 SequenceNumber;	/*0x04 */
555 	U8 Reserved1;		/*0x05 */
556 	U16 IoIndex;		/*0x06 */
557 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
558 	*PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
559 	Mpi2TargetAssistSuccessReplyDescriptor_t,
560 	*pMpi2TargetAssistSuccessReplyDescriptor_t;
561 
562 /*Target Command Buffer Reply Descriptor */
563 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
564 	U8 ReplyFlags;		/*0x00 */
565 	U8 MSIxIndex;		/*0x01 */
566 	U8 VP_ID;		/*0x02 */
567 	U8 Flags;		/*0x03 */
568 	U16 InitiatorDevHandle;	/*0x04 */
569 	U16 IoIndex;		/*0x06 */
570 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
571 	*PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
572 	Mpi2TargetCommandBufferReplyDescriptor_t,
573 	*pMpi2TargetCommandBufferReplyDescriptor_t;
574 
575 /*defines for Flags field */
576 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
577 
578 /*RAID Accelerator Success Reply Descriptor */
579 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
580 	U8 ReplyFlags;		/*0x00 */
581 	U8 MSIxIndex;		/*0x01 */
582 	U16 SMID;		/*0x02 */
583 	U32 Reserved;		/*0x04 */
584 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
585 	*PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
586 	Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
587 	*pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
588 
589 /*Fast Path SCSI IO Success Reply Descriptor */
590 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
591 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
592 	*PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
593 	Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
594 	*pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
595 
596 /*PCIe Encapsulated Success Reply Descriptor */
597 typedef MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
598 	MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR,
599 	*PTR_MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR,
600 	Mpi26PCIeEncapsulatedSuccessReplyDescriptor_t,
601 	*pMpi26PCIeEncapsulatedSuccessReplyDescriptor_t;
602 
603 /*union of Reply Descriptors */
604 typedef union _MPI2_REPLY_DESCRIPTORS_UNION {
605 	MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
606 	MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
607 	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
608 	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
609 	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
610 	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR RAIDAcceleratorSuccess;
611 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR FastPathSCSIIOSuccess;
612 	MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR
613 						PCIeEncapsulatedSuccess;
614 	U64 Words;
615 } MPI2_REPLY_DESCRIPTORS_UNION,
616 	*PTR_MPI2_REPLY_DESCRIPTORS_UNION,
617 	Mpi2ReplyDescriptorsUnion_t,
618 	*pMpi2ReplyDescriptorsUnion_t;
619 
620 /*****************************************************************************
621 *
622 *       Message Functions
623 *
624 *****************************************************************************/
625 
626 #define MPI2_FUNCTION_SCSI_IO_REQUEST		    (0x00)
627 #define MPI2_FUNCTION_SCSI_TASK_MGMT		    (0x01)
628 #define MPI2_FUNCTION_IOC_INIT                      (0x02)
629 #define MPI2_FUNCTION_IOC_FACTS                     (0x03)
630 #define MPI2_FUNCTION_CONFIG                        (0x04)
631 #define MPI2_FUNCTION_PORT_FACTS                    (0x05)
632 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06)
633 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07)
634 #define MPI2_FUNCTION_EVENT_ACK                     (0x08)
635 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09)
636 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B)
637 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C)
638 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D)
639 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12)
640 #define MPI2_FUNCTION_RAID_ACTION                   (0x15)
641 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16)
642 #define MPI2_FUNCTION_TOOLBOX                       (0x17)
643 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18)
644 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A)
645 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B)
646 #define MPI2_FUNCTION_IO_UNIT_CONTROL               (0x1B)
647 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C)
648 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D)
649 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E)
650 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24)
651 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25)
652 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C)
653 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F)
654 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30)
655 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31)
656 #define MPI2_FUNCTION_NVME_ENCAPSULATED             (0x33)
657 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0)
658 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF)
659 
660 /*Doorbell functions */
661 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
662 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
663 
664 /*****************************************************************************
665 *
666 *       IOC Status Values
667 *
668 *****************************************************************************/
669 
670 /*mask for IOCStatus status value */
671 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
672 
673 /****************************************************************************
674 * Common IOCStatus values for all replies
675 ****************************************************************************/
676 
677 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
678 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
679 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
680 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
681 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
682 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
683 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
684 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
685 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
686 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
687 #define MPI2_IOCSTATUS_INSUFFICIENT_POWER           (0x000A)
688 
689 /****************************************************************************
690 * Config IOCStatus values
691 ****************************************************************************/
692 
693 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
694 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
695 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
696 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
697 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
698 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
699 
700 /****************************************************************************
701 * SCSI IO Reply
702 ****************************************************************************/
703 
704 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
705 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
706 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
707 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
708 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
709 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
710 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
711 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
712 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
713 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
714 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
715 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
716 
717 /****************************************************************************
718 * For use by SCSI Initiator and SCSI Target end-to-end data protection
719 ****************************************************************************/
720 
721 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
722 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
723 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
724 
725 /****************************************************************************
726 * SCSI Target values
727 ****************************************************************************/
728 
729 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
730 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
731 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
732 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
733 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
734 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
735 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
736 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
737 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
738 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
739 
740 /****************************************************************************
741 * Serial Attached SCSI values
742 ****************************************************************************/
743 
744 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
745 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
746 
747 /****************************************************************************
748 * Diagnostic Buffer Post / Diagnostic Release values
749 ****************************************************************************/
750 
751 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
752 
753 /****************************************************************************
754 * RAID Accelerator values
755 ****************************************************************************/
756 
757 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
758 
759 /****************************************************************************
760 * IOCStatus flag to indicate that log info is available
761 ****************************************************************************/
762 
763 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
764 
765 /****************************************************************************
766 * IOCLogInfo Types
767 ****************************************************************************/
768 
769 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
770 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
771 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
772 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
773 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
774 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
775 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
776 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
777 
778 /*****************************************************************************
779 *
780 *       Standard Message Structures
781 *
782 *****************************************************************************/
783 
784 /****************************************************************************
785 *Request Message Header for all request messages
786 ****************************************************************************/
787 
788 typedef struct _MPI2_REQUEST_HEADER {
789 	U16 FunctionDependent1;	/*0x00 */
790 	U8 ChainOffset;		/*0x02 */
791 	U8 Function;		/*0x03 */
792 	U16 FunctionDependent2;	/*0x04 */
793 	U8 FunctionDependent3;	/*0x06 */
794 	U8 MsgFlags;		/*0x07 */
795 	U8 VP_ID;		/*0x08 */
796 	U8 VF_ID;		/*0x09 */
797 	U16 Reserved1;		/*0x0A */
798 } MPI2_REQUEST_HEADER, *PTR_MPI2_REQUEST_HEADER,
799 	MPI2RequestHeader_t, *pMPI2RequestHeader_t;
800 
801 /****************************************************************************
802 * Default Reply
803 ****************************************************************************/
804 
805 typedef struct _MPI2_DEFAULT_REPLY {
806 	U16 FunctionDependent1;	/*0x00 */
807 	U8 MsgLength;		/*0x02 */
808 	U8 Function;		/*0x03 */
809 	U16 FunctionDependent2;	/*0x04 */
810 	U8 FunctionDependent3;	/*0x06 */
811 	U8 MsgFlags;		/*0x07 */
812 	U8 VP_ID;		/*0x08 */
813 	U8 VF_ID;		/*0x09 */
814 	U16 Reserved1;		/*0x0A */
815 	U16 FunctionDependent5;	/*0x0C */
816 	U16 IOCStatus;		/*0x0E */
817 	U32 IOCLogInfo;		/*0x10 */
818 } MPI2_DEFAULT_REPLY, *PTR_MPI2_DEFAULT_REPLY,
819 	MPI2DefaultReply_t, *pMPI2DefaultReply_t;
820 
821 /*common version structure/union used in messages and configuration pages */
822 
823 typedef struct _MPI2_VERSION_STRUCT {
824 	U8 Dev;			/*0x00 */
825 	U8 Unit;		/*0x01 */
826 	U8 Minor;		/*0x02 */
827 	U8 Major;		/*0x03 */
828 } MPI2_VERSION_STRUCT;
829 
830 typedef union _MPI2_VERSION_UNION {
831 	MPI2_VERSION_STRUCT Struct;
832 	U32 Word;
833 } MPI2_VERSION_UNION;
834 
835 /*LUN field defines, common to many structures */
836 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
837 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
838 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
839 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
840 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
841 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
842 
843 /*****************************************************************************
844 *
845 *       Fusion-MPT MPI Scatter Gather Elements
846 *
847 *****************************************************************************/
848 
849 /****************************************************************************
850 * MPI Simple Element structures
851 ****************************************************************************/
852 
853 typedef struct _MPI2_SGE_SIMPLE32 {
854 	U32 FlagsLength;
855 	U32 Address;
856 } MPI2_SGE_SIMPLE32, *PTR_MPI2_SGE_SIMPLE32,
857 	Mpi2SGESimple32_t, *pMpi2SGESimple32_t;
858 
859 typedef struct _MPI2_SGE_SIMPLE64 {
860 	U32 FlagsLength;
861 	U64 Address;
862 } MPI2_SGE_SIMPLE64, *PTR_MPI2_SGE_SIMPLE64,
863 	Mpi2SGESimple64_t, *pMpi2SGESimple64_t;
864 
865 typedef struct _MPI2_SGE_SIMPLE_UNION {
866 	U32 FlagsLength;
867 	union {
868 		U32 Address32;
869 		U64 Address64;
870 	} u;
871 } MPI2_SGE_SIMPLE_UNION,
872 	*PTR_MPI2_SGE_SIMPLE_UNION,
873 	Mpi2SGESimpleUnion_t,
874 	*pMpi2SGESimpleUnion_t;
875 
876 /****************************************************************************
877 * MPI Chain Element structures - for MPI v2.0 products only
878 ****************************************************************************/
879 
880 typedef struct _MPI2_SGE_CHAIN32 {
881 	U16 Length;
882 	U8 NextChainOffset;
883 	U8 Flags;
884 	U32 Address;
885 } MPI2_SGE_CHAIN32, *PTR_MPI2_SGE_CHAIN32,
886 	Mpi2SGEChain32_t, *pMpi2SGEChain32_t;
887 
888 typedef struct _MPI2_SGE_CHAIN64 {
889 	U16 Length;
890 	U8 NextChainOffset;
891 	U8 Flags;
892 	U64 Address;
893 } MPI2_SGE_CHAIN64, *PTR_MPI2_SGE_CHAIN64,
894 	Mpi2SGEChain64_t, *pMpi2SGEChain64_t;
895 
896 typedef struct _MPI2_SGE_CHAIN_UNION {
897 	U16 Length;
898 	U8 NextChainOffset;
899 	U8 Flags;
900 	union {
901 		U32 Address32;
902 		U64 Address64;
903 	} u;
904 } MPI2_SGE_CHAIN_UNION,
905 	*PTR_MPI2_SGE_CHAIN_UNION,
906 	Mpi2SGEChainUnion_t,
907 	*pMpi2SGEChainUnion_t;
908 
909 /****************************************************************************
910 * MPI Transaction Context Element structures - for MPI v2.0 products only
911 ****************************************************************************/
912 
913 typedef struct _MPI2_SGE_TRANSACTION32 {
914 	U8 Reserved;
915 	U8 ContextSize;
916 	U8 DetailsLength;
917 	U8 Flags;
918 	U32 TransactionContext[1];
919 	U32 TransactionDetails[1];
920 } MPI2_SGE_TRANSACTION32,
921 	*PTR_MPI2_SGE_TRANSACTION32,
922 	Mpi2SGETransaction32_t,
923 	*pMpi2SGETransaction32_t;
924 
925 typedef struct _MPI2_SGE_TRANSACTION64 {
926 	U8 Reserved;
927 	U8 ContextSize;
928 	U8 DetailsLength;
929 	U8 Flags;
930 	U32 TransactionContext[2];
931 	U32 TransactionDetails[1];
932 } MPI2_SGE_TRANSACTION64,
933 	*PTR_MPI2_SGE_TRANSACTION64,
934 	Mpi2SGETransaction64_t,
935 	*pMpi2SGETransaction64_t;
936 
937 typedef struct _MPI2_SGE_TRANSACTION96 {
938 	U8 Reserved;
939 	U8 ContextSize;
940 	U8 DetailsLength;
941 	U8 Flags;
942 	U32 TransactionContext[3];
943 	U32 TransactionDetails[1];
944 } MPI2_SGE_TRANSACTION96, *PTR_MPI2_SGE_TRANSACTION96,
945 	Mpi2SGETransaction96_t, *pMpi2SGETransaction96_t;
946 
947 typedef struct _MPI2_SGE_TRANSACTION128 {
948 	U8 Reserved;
949 	U8 ContextSize;
950 	U8 DetailsLength;
951 	U8 Flags;
952 	U32 TransactionContext[4];
953 	U32 TransactionDetails[1];
954 } MPI2_SGE_TRANSACTION128, *PTR_MPI2_SGE_TRANSACTION128,
955 	Mpi2SGETransaction_t128, *pMpi2SGETransaction_t128;
956 
957 typedef struct _MPI2_SGE_TRANSACTION_UNION {
958 	U8 Reserved;
959 	U8 ContextSize;
960 	U8 DetailsLength;
961 	U8 Flags;
962 	union {
963 		U32 TransactionContext32[1];
964 		U32 TransactionContext64[2];
965 		U32 TransactionContext96[3];
966 		U32 TransactionContext128[4];
967 	} u;
968 	U32 TransactionDetails[1];
969 } MPI2_SGE_TRANSACTION_UNION,
970 	*PTR_MPI2_SGE_TRANSACTION_UNION,
971 	Mpi2SGETransactionUnion_t,
972 	*pMpi2SGETransactionUnion_t;
973 
974 /****************************************************************************
975 * MPI SGE union for IO SGL's - for MPI v2.0 products only
976 ****************************************************************************/
977 
978 typedef struct _MPI2_MPI_SGE_IO_UNION {
979 	union {
980 		MPI2_SGE_SIMPLE_UNION Simple;
981 		MPI2_SGE_CHAIN_UNION Chain;
982 	} u;
983 } MPI2_MPI_SGE_IO_UNION, *PTR_MPI2_MPI_SGE_IO_UNION,
984 	Mpi2MpiSGEIOUnion_t, *pMpi2MpiSGEIOUnion_t;
985 
986 /****************************************************************************
987 * MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
988 ****************************************************************************/
989 
990 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION {
991 	union {
992 		MPI2_SGE_SIMPLE_UNION Simple;
993 		MPI2_SGE_TRANSACTION_UNION Transaction;
994 	} u;
995 } MPI2_SGE_TRANS_SIMPLE_UNION,
996 	*PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
997 	Mpi2SGETransSimpleUnion_t,
998 	*pMpi2SGETransSimpleUnion_t;
999 
1000 /****************************************************************************
1001 * All MPI SGE types union
1002 ****************************************************************************/
1003 
1004 typedef struct _MPI2_MPI_SGE_UNION {
1005 	union {
1006 		MPI2_SGE_SIMPLE_UNION Simple;
1007 		MPI2_SGE_CHAIN_UNION Chain;
1008 		MPI2_SGE_TRANSACTION_UNION Transaction;
1009 	} u;
1010 } MPI2_MPI_SGE_UNION, *PTR_MPI2_MPI_SGE_UNION,
1011 	Mpi2MpiSgeUnion_t, *pMpi2MpiSgeUnion_t;
1012 
1013 /****************************************************************************
1014 * MPI SGE field definition and masks
1015 ****************************************************************************/
1016 
1017 /*Flags field bit definitions */
1018 
1019 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
1020 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
1021 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
1022 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
1023 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
1024 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
1025 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
1026 
1027 #define MPI2_SGE_FLAGS_SHIFT                    (24)
1028 
1029 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
1030 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
1031 
1032 /*Element Type */
1033 
1034 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
1035 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
1036 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
1037 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
1038 
1039 /*Address location */
1040 
1041 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
1042 
1043 /*Direction */
1044 
1045 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
1046 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
1047 
1048 #define MPI2_SGE_FLAGS_DEST (MPI2_SGE_FLAGS_IOC_TO_HOST)
1049 #define MPI2_SGE_FLAGS_SOURCE (MPI2_SGE_FLAGS_HOST_TO_IOC)
1050 
1051 /*Address Size */
1052 
1053 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1054 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1055 
1056 /*Context Size */
1057 
1058 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
1059 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
1060 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
1061 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
1062 
1063 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
1064 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
1065 
1066 /****************************************************************************
1067 * MPI SGE operation Macros
1068 ****************************************************************************/
1069 
1070 /*SIMPLE FlagsLength manipulations... */
1071 #define MPI2_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
1072 #define MPI2_SGE_GET_FLAGS(f) (((f) & ~MPI2_SGE_LENGTH_MASK) >> \
1073 					MPI2_SGE_FLAGS_SHIFT)
1074 #define MPI2_SGE_LENGTH(f) ((f) & MPI2_SGE_LENGTH_MASK)
1075 #define MPI2_SGE_CHAIN_LENGTH(f) ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
1076 
1077 #define MPI2_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_SGE_SET_FLAGS(f) | \
1078 					MPI2_SGE_LENGTH(l))
1079 
1080 #define MPI2_pSGE_GET_FLAGS(psg) MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
1081 #define MPI2_pSGE_GET_LENGTH(psg) MPI2_SGE_LENGTH((psg)->FlagsLength)
1082 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1083 					MPI2_SGE_SET_FLAGS_LENGTH(f, l))
1084 
1085 /*CAUTION - The following are READ-MODIFY-WRITE! */
1086 #define MPI2_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1087 					MPI2_SGE_SET_FLAGS(f))
1088 #define MPI2_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1089 					MPI2_SGE_LENGTH(l))
1090 
1091 #define MPI2_GET_CHAIN_OFFSET(x) ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> \
1092 					MPI2_SGE_CHAIN_OFFSET_SHIFT)
1093 
1094 /*****************************************************************************
1095 *
1096 *       Fusion-MPT IEEE Scatter Gather Elements
1097 *
1098 *****************************************************************************/
1099 
1100 /****************************************************************************
1101 * IEEE Simple Element structures
1102 ****************************************************************************/
1103 
1104 /*MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1105 typedef struct _MPI2_IEEE_SGE_SIMPLE32 {
1106 	U32 Address;
1107 	U32 FlagsLength;
1108 } MPI2_IEEE_SGE_SIMPLE32, *PTR_MPI2_IEEE_SGE_SIMPLE32,
1109 	Mpi2IeeeSgeSimple32_t, *pMpi2IeeeSgeSimple32_t;
1110 
1111 typedef struct _MPI2_IEEE_SGE_SIMPLE64 {
1112 	U64 Address;
1113 	U32 Length;
1114 	U16 Reserved1;
1115 	U8 Reserved2;
1116 	U8 Flags;
1117 } MPI2_IEEE_SGE_SIMPLE64, *PTR_MPI2_IEEE_SGE_SIMPLE64,
1118 	Mpi2IeeeSgeSimple64_t, *pMpi2IeeeSgeSimple64_t;
1119 
1120 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1121 	MPI2_IEEE_SGE_SIMPLE32 Simple32;
1122 	MPI2_IEEE_SGE_SIMPLE64 Simple64;
1123 } MPI2_IEEE_SGE_SIMPLE_UNION,
1124 	*PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1125 	Mpi2IeeeSgeSimpleUnion_t,
1126 	*pMpi2IeeeSgeSimpleUnion_t;
1127 
1128 /****************************************************************************
1129 * IEEE Chain Element structures
1130 ****************************************************************************/
1131 
1132 /*MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1133 typedef MPI2_IEEE_SGE_SIMPLE32 MPI2_IEEE_SGE_CHAIN32;
1134 
1135 /*MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1136 typedef MPI2_IEEE_SGE_SIMPLE64 MPI2_IEEE_SGE_CHAIN64;
1137 
1138 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1139 	MPI2_IEEE_SGE_CHAIN32 Chain32;
1140 	MPI2_IEEE_SGE_CHAIN64 Chain64;
1141 } MPI2_IEEE_SGE_CHAIN_UNION,
1142 	*PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1143 	Mpi2IeeeSgeChainUnion_t,
1144 	*pMpi2IeeeSgeChainUnion_t;
1145 
1146 /*MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 and later */
1147 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1148 	U64 Address;
1149 	U32 Length;
1150 	U16 Reserved1;
1151 	U8 NextChainOffset;
1152 	U8 Flags;
1153 } MPI25_IEEE_SGE_CHAIN64,
1154 	*PTR_MPI25_IEEE_SGE_CHAIN64,
1155 	Mpi25IeeeSgeChain64_t,
1156 	*pMpi25IeeeSgeChain64_t;
1157 
1158 /****************************************************************************
1159 * All IEEE SGE types union
1160 ****************************************************************************/
1161 
1162 /*MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1163 typedef struct _MPI2_IEEE_SGE_UNION {
1164 	union {
1165 		MPI2_IEEE_SGE_SIMPLE_UNION Simple;
1166 		MPI2_IEEE_SGE_CHAIN_UNION Chain;
1167 	} u;
1168 } MPI2_IEEE_SGE_UNION, *PTR_MPI2_IEEE_SGE_UNION,
1169 	Mpi2IeeeSgeUnion_t, *pMpi2IeeeSgeUnion_t;
1170 
1171 /****************************************************************************
1172 * IEEE SGE union for IO SGL's
1173 ****************************************************************************/
1174 
1175 typedef union _MPI25_SGE_IO_UNION {
1176 	MPI2_IEEE_SGE_SIMPLE64 IeeeSimple;
1177 	MPI25_IEEE_SGE_CHAIN64 IeeeChain;
1178 } MPI25_SGE_IO_UNION, *PTR_MPI25_SGE_IO_UNION,
1179 	Mpi25SGEIOUnion_t, *pMpi25SGEIOUnion_t;
1180 
1181 /****************************************************************************
1182 * IEEE SGE field definitions and masks
1183 ****************************************************************************/
1184 
1185 /*Flags field bit definitions */
1186 
1187 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1188 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1189 
1190 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1191 
1192 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1193 
1194 /*Element Type */
1195 
1196 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1197 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1198 
1199 /*Next Segment Format */
1200 
1201 #define MPI26_IEEE_SGE_FLAGS_NSF_MASK           (0x1C)
1202 #define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE       (0x00)
1203 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP       (0x08)
1204 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_SGL       (0x10)
1205 
1206 /*Data Location Address Space */
1207 
1208 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1209 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1210 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1211 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1212 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1213 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03)
1214 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR \
1215 	 (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR)
1216 #define MPI26_IEEE_SGE_FLAGS_IOCCTL_ADDR        (0x02)
1217 
1218 /****************************************************************************
1219 * IEEE SGE operation Macros
1220 ****************************************************************************/
1221 
1222 /*SIMPLE FlagsLength manipulations... */
1223 #define MPI2_IEEE32_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1224 #define MPI2_IEEE32_SGE_GET_FLAGS(f) (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) \
1225 				 >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1226 #define MPI2_IEEE32_SGE_LENGTH(f)    ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1227 
1228 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_IEEE32_SGE_SET_FLAGS(f) |\
1229 						 MPI2_IEEE32_SGE_LENGTH(l))
1230 
1231 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg) \
1232 			MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1233 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg) \
1234 			MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1235 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1236 					MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l))
1237 
1238 /*CAUTION - The following are READ-MODIFY-WRITE! */
1239 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1240 					MPI2_IEEE32_SGE_SET_FLAGS(f))
1241 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1242 					MPI2_IEEE32_SGE_LENGTH(l))
1243 
1244 /*****************************************************************************
1245 *
1246 *       Fusion-MPT MPI/IEEE Scatter Gather Unions
1247 *
1248 *****************************************************************************/
1249 
1250 typedef union _MPI2_SIMPLE_SGE_UNION {
1251 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1252 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1253 } MPI2_SIMPLE_SGE_UNION, *PTR_MPI2_SIMPLE_SGE_UNION,
1254 	Mpi2SimpleSgeUntion_t, *pMpi2SimpleSgeUntion_t;
1255 
1256 typedef union _MPI2_SGE_IO_UNION {
1257 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1258 	MPI2_SGE_CHAIN_UNION MpiChain;
1259 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1260 	MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
1261 } MPI2_SGE_IO_UNION, *PTR_MPI2_SGE_IO_UNION,
1262 	Mpi2SGEIOUnion_t, *pMpi2SGEIOUnion_t;
1263 
1264 /****************************************************************************
1265 *
1266 * Values for SGLFlags field, used in many request messages with an SGL
1267 *
1268 ****************************************************************************/
1269 
1270 /*values for MPI SGL Data Location Address Space subfield */
1271 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1272 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1273 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1274 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1275 #define MPI26_SGLFLAGS_IOCPLB_ADDRESS_SPACE         (0x08)
1276 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1277 /*values for SGL Type subfield */
1278 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1279 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1280 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1281 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1282 
1283 #endif
1284